Good afternoon, all. I am migrating a project from MS7 to the new Mapserver 8.0.0, and I've stumbled upon evidence that map_object notation support for CGI variable substitution may be broken.
Here's the relevant doc for CGI Controls: https://mapserver.org/cgi/controls.html <https://mapserver.org/cgi/controls.html> Scoll down to the heading: "Changing map file parameters via a form or a URL" We have been using the map_object notation method to set custom image sizes and font sizes. Excuse the messy query string. The important parts are "&map_size" and "&map.layer[...]" /var/www/cgi-bin/mapserv.cgi -nh "QUERY_STRING=mode=map&map=/usr/local/mapfiles/kempisty/nbm_view/foo.map&layer=genNoDec&model=blend&ver=v4.0§or=conus&element=maxt&issuancetime=2022-10-06T14:00&validtime=2022-10-08T06:00&mapext=-3270279.3477121103%20-163255.0404466032%202666810.2533767014%203144901.0582670807&map_size=1215+677&map.layer[genNoDec].class[0].label[0]=SIZE+8" > /var/www/html/kempisty/foo7.png MS7 gives a map size 1215x677 with labels rendered in 8 point font, as expected. The same command, using mapserver 8 instead of 7, gives an image size 2345x1597 (map size as defined in the mapfile) with labels rendered in 13 point font (also as defined in the mapfile). Using MS8... if I send &mapsize=1215+677 instead of &map_size=1215+677 ... I will get the image at the correct size. So the predefined CGI control variables still work. It suggests to me, it is only the map_object notation method that is broken. Has that been disabled in MS8, or is it now subject to a new configuration requirement that I'm not aware of? Relevant string isolated for reference: &map_size=1215+677&map.layer[genNoDec].class[0].label[0]=SIZE+8" I'm open to other methods of changing font size on the fly. We did it this way because %var% runtime substitutions aren't supported for CLASS: LABEL: SIZE. -Tim Kempisty
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